– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sat 30 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 30 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 30 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 21°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | |  | | | | |  | |
light rain | rain shwrs | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | clear | cloudy | some clouds | some clouds | some clouds | rain shwrs | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | 0.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.2 | 0.1 | |
max °C | 7 | 13 | 11 | 12 | 16 | 13 | 18 | 21 | 18 | 21 | 23 | 20 | 18 | 20 | 16 | 15 | 17 | 15 |
min °C | 6 | 10 | 5 | 9 | 15 | 11 | 14 | 20 | 15 | 18 | 22 | 15 | 17 | 19 | 12 | 12 | 16 | 10 |
5 | 10 | 5 | 9 | 15 | 11 | 14 | 20 | 15 | 18 | 22 | 15 | 17 | 19 | 12 | 12 | 16 | 10 | |
1500 | 2150 | 2050 | 2250 | 2700 | 2800 | 2900 | 3000 | 3000 | 2950 | 3100 | 3050 | 2950 | 3050 | 2800 | 2600 | 2850 | 2750 | |
Cloud base (m) | 650 | 850 | 1950 | 2250 | 6850 | 2900 | 3250 | 3350 | 2850 | 3000 | 4200 | 3200 | 2300 | 2000 | 5550 | |||
 | 5:11 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — | 5:07 | — | — |
 | — | — | 9:00 | — | — | 9:00 | — | — | 9:01 | — | — | 9:02 | — | — | 9:04 | — | — | 9:04 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 21°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.